001/*
002 * Copyright (c) 2007-2016 Concurrent, Inc. All Rights Reserved.
003 *
004 * Project and contact information: http://www.cascading.org/
005 *
006 * This file is part of the Cascading project.
007 *
008 * Licensed under the Apache License, Version 2.0 (the "License");
009 * you may not use this file except in compliance with the License.
010 * You may obtain a copy of the License at
011 *
012 *     http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing, software
015 * distributed under the License is distributed on an "AS IS" BASIS,
016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
017 * See the License for the specific language governing permissions and
018 * limitations under the License.
019 */
020
021package cascading.flow.tez.planner.rule.partitioner;
022
023import cascading.flow.planner.rule.RuleExpression;
024import cascading.flow.planner.rule.partitioner.ExpressionRulePartitioner;
025import cascading.flow.tez.planner.rule.expressiongraph.NoGroupMergeBoundaryTapExpressionGraph;
026import cascading.flow.tez.planner.rule.expressiongraph.StreamedAccumulatedBoundariesExpressionGraph;
027
028import static cascading.flow.planner.rule.PlanPhase.PartitionNodes;
029
030/**
031 *
032 */
033public class StreamedAccumulatedBoundariesNodeRePartitioner extends ExpressionRulePartitioner
034  {
035  public StreamedAccumulatedBoundariesNodeRePartitioner()
036    {
037    super(
038      PartitionNodes,
039      PartitionSource.PartitionCurrent, // force repartitioning
040
041      new RuleExpression(
042        new NoGroupMergeBoundaryTapExpressionGraph(),
043        new StreamedAccumulatedBoundariesExpressionGraph()
044      )
045    );
046    }
047  }